From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 220C8C433ED for ; Thu, 23 Jul 2020 07:58:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 08C5C20B1F for ; Thu, 23 Jul 2020 07:58:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725984AbgGWH6v (ORCPT ); Thu, 23 Jul 2020 03:58:51 -0400 Received: from helcar.hmeau.com ([216.24.177.18]:34792 "EHLO fornost.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727769AbgGWH6t (ORCPT ); Thu, 23 Jul 2020 03:58:49 -0400 Received: from gwarestrin.arnor.me.apana.org.au ([192.168.0.7]) by fornost.hmeau.com with smtp (Exim 4.92 #5 (Debian)) id 1jyW6o-0005xk-9A; Thu, 23 Jul 2020 17:57:43 +1000 Received: by gwarestrin.arnor.me.apana.org.au (sSMTP sendmail emulation); Thu, 23 Jul 2020 17:57:42 +1000 Date: Thu, 23 Jul 2020 17:57:42 +1000 From: Herbert Xu To: Horia =?utf-8?Q?Geant=C4=83?= Cc: Rob Herring , Shawn Guo , Sascha Hauer , Matt Mackall , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Arnd Bergmann , Greg Kroah-Hartman , Martin Kaiser , Marco Felsch , Franck Lenormand , Iuliana Prodan , Silvano Di Ninno , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 0/5] hwrng: add support for i.MX6 rngb Message-ID: <20200723075742.GD14246@gondor.apana.org.au> References: <20200715152604.10407-1-horia.geanta@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200715152604.10407-1-horia.geanta@nxp.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 15, 2020 at 06:25:59PM +0300, Horia Geantă wrote: > Add support for RNGB found in some i.MX6 SoCs (6SL, 6SLL, 6ULL, 6ULZ), > based on RNGC driver (drivers/char/hw_random/imx-rngc.c). > > This driver claims support also for RNGB (besides RNGC), > and is currently used only by i.MX25. > > Note: > > Several NXP SoC from QorIQ family (P1010, P1023, P4080, P3041, P5020) > also have a RNGB, however it's part of the CAAM > (Cryptograhic Accelerator and Assurance Module) crypto accelerator. > In this case, RNGB is managed in the caam driver > (drivers/crypto/caam/), since it's tightly related to > the caam "job ring" interface, not to mention CAAM internally relying on > RNGB as source of randomness. > > On the other hand, the i.MX6 SoCs with RNGB have a DCP > (Data Co-Processor) crypto accelerator and this block and RNGB > are independent. > > Changelog: > v4 > -remove unneeded compatible strings from the driver > v3 > -mention in the DT binding the compatibility with "fsl,imx25-rngb" > -collected Reviewed-by > v2 > -update rngb DT binding with compatible strings for i.MX6 SoCs > > Horia Geantă (5): > dt-bindings: rng: add RNGB compatibles for i.MX6 SoCs > ARM: dts: imx6sl: fix rng node > ARM: dts: imx6sll: add rng > ARM: dts: imx6ull: add rng > hwrng: imx-rngc: enable driver for i.MX6 > > Documentation/devicetree/bindings/rng/imx-rng.txt | 3 +++ > arch/arm/boot/dts/imx6sl.dtsi | 2 ++ > arch/arm/boot/dts/imx6sll.dtsi | 7 +++++++ > arch/arm/boot/dts/imx6ull.dtsi | 7 +++++++ > drivers/char/hw_random/Kconfig | 2 +- > 5 files changed, 20 insertions(+), 1 deletion(-) Patches 1 and 5 applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt